FR2033418A7 - - Google Patents

Info

Publication number
FR2033418A7
FR2033418A7 FR7006576A FR7006576A FR2033418A7 FR 2033418 A7 FR2033418 A7 FR 2033418A7 FR 7006576 A FR7006576 A FR 7006576A FR 7006576 A FR7006576 A FR 7006576A FR 2033418 A7 FR2033418 A7 FR 2033418A7
Authority
FR
France
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
FR7006576A
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dresser Industries Inc
Original Assignee
Dresser Industries Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dresser Industries Inc filed Critical Dresser Industries Inc
Application granted granted Critical
Publication of FR2033418A7 publication Critical patent/FR2033418A7/fr
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B33/00—Sealing or packing boreholes or wells
    • E21B33/02—Surface sealing or packing
    • E21B33/08—Wipers; Oil savers

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Cleaning In General (AREA)
  • Actuator (AREA)
FR7006576A 1969-02-28 1970-02-24 Expired FR2033418A7 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US80322769A 1969-02-28 1969-02-28

Publications (1)

Publication Number Publication Date
FR2033418A7 true FR2033418A7 (enrdf_load_stackoverflow) 1970-12-04

Family

ID=25185954

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7006576A Expired FR2033418A7 (enrdf_load_stackoverflow) 1969-02-28 1970-02-24

Country Status (4)

Country Link
US (1) US3606347A (enrdf_load_stackoverflow)
DE (1) DE2008792A1 (enrdf_load_stackoverflow)
FR (1) FR2033418A7 (enrdf_load_stackoverflow)
GB (1) GB1273509A (enrdf_load_stackoverflow)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4718487A (en) * 1986-03-31 1988-01-12 Hydrolex, Inc. Auxiliary well pressure packoff assembly
GB2227508B (en) * 1989-01-26 1992-08-26 Otis Eng Co Stuffing box and grease injector for underwater wells
US6588502B2 (en) * 2000-12-05 2003-07-08 Baker Hughes, Incorporated Well pressure activated pack-off head
GB0712528D0 (en) 2007-06-28 2007-08-08 Phuel Oil Tools Ltd Apparatus and method
US8443878B2 (en) * 2009-07-21 2013-05-21 Hunting Energy Services, Inc. Dual stripper assembly for slick cable
GB201716832D0 (en) * 2017-10-13 2017-11-29 Nat Oilwell Varco Uk Limited Sealing assembly
EP4375478B1 (en) 2019-02-05 2025-05-28 Weatherford Technology Holdings, LLC Retrievable anti-extrusion fold-back ring backup for seal element
CN110847842B (zh) * 2019-11-15 2022-05-20 中国石油天然气集团有限公司 一种用于环空电缆测井井口的刮油装置

Also Published As

Publication number Publication date
DE2008792A1 (enrdf_load_stackoverflow) 1970-09-17
GB1273509A (en) 1972-05-10
US3606347A (en) 1971-09-20

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Legal Events

Date Code Title Description
ST Notification of lapse